These insects carry sleeping sickness, which is as much a bane of ungulates as it is of people.

这些小昆虫带有昏睡病，对类和有蹄类同样致害。

If it's not cattle, then they go after wild ungulates like springbok or oryx or kudu.

如果不是牛，它们就会去猎杀像跳羚、羚羊或捻角羚这样的野生有蹄类。

Bovine relates to cattle and pachyderms are thick skinned, hoofed animals like elephants, rhinos and hippos.

Bovine 与牛有关，而 Pachyderms 则是厚皮、有蹄类，如大象、犀牛和河马。

There were other ungulates that were around, like small horses, that perfectly fit in the prey for a large terror bird.

当时还有小马等一些有蹄类，而它们完全符合大型恐怖鸟的猎标。

They have a longer gestation period than typical  North American ungulates, averaging eight months.

它们的妊娠期比典型的北美有蹄类更长，平均为八个月。

And fossils show that marsupials and ungulates were abundant, as were crocodilians.

化石表明，有袋类和有蹄类数量众多，鳄鱼也是如此。

If it's not cattle, then they go after wild ungulates like springbok or oryx or kudu.

如果不是牛，那么它们就会追捕跳羚、大羚羊或捻角羚等野生有蹄类。

That means they share a common ancestor with  the ancestor of all living odd-toed ungulates.

这意味着它们与所有现存奇趾有蹄类的祖先有共同的祖先。

So some researchers thought  they were ungulates, too.

所以一些研究员认为它们也是有蹄类。

Its humerus and femur were shorter, and its lower limb bones were longer, more like the legs of other ungulates.

它的肱骨和股骨较短， 下肢骨骼较长，更像其他有蹄类的腿。

Meanwhile, on the forest floor, some early, ungulate-like mammals began to take over.

与此同时，在森林地面上，一些早期的 有蹄类哺乳开始占据主导地位。

Back then, Berger and his wife would get into a moose outfit to be able to get close to the ungulates.

那时，博格和他的妻子会穿上驼鹿装，以接近这一有蹄类哺乳。

Degrange: There were other ungulates that were around, like small horses, that perfectly fit in the prey for a large terror bird.

Degrange：周围还有其他有蹄类，比如小马，非常适合大型恐怖鸟的猎。

Like, almost all of these extinct South American species had hooves - a feature that's associated  with the living ungulates, like deer and horses.

就像， 几乎所有这些已灭绝的南美洲种都有蹄子——这一特征与现存的有蹄类有关，比如鹿和马。

American zoos no longer collect hoofed from the wild and one goal of the Alliance is to provide animals for them to display to the public.

美国的公园不再接受有蹄类野生了，所以繁育中心的一个目标就是展示给大众这些野生。

This was the environment that gave rise to the very first perissodactyls, hoofed mammals with an odd number of toes.

这是产生第一批奇蹄类的环境，奇蹄类是有奇数个脚趾的有蹄类哺乳。

So  they compared the proteins from the two South American ungulates to those from a range of 76  other mammals from across the mammal family tree.

因此，他们将两种南美有蹄类的蛋白质与哺乳家族树中 76 种其他哺乳的蛋白质进行了比较。

But for ungulates, such as deer, sheep, and moose, it's long been hypothesized that seasonal migration is a learned behavior, passed down from one generation to the next.

但对于鹿、羊和驼鹿等有蹄类，长期以来们一直假设季节性迁徙是一种后天习得的行为， 代代相传。

Ideally, when ungulates migrate, they synchronize their movements to forage for vegetation when it's most nutritious and easiest to digest - a process called " green-wave surfing" .

理想情况下，当有蹄类迁徙时，它们会同步移以在植最有营养和最容易消化的时候觅食——这一过程称为“绿浪冲浪”。

It can thus obtain food beyond the reach of the other Ungulata or hoofed animals inhabiting the same country; and this must be a great advantage to it during dearths.

因此，它可以获得居住在同一国家的其他有蹄类或有蹄类无法获得的食； 这在饥荒期间对它来说一定是一个很大的优势。